Device holder



FIG. 1 is a front, top, side perspective view of a device holder, showing my new design in an environment of use with a device;

FIG. 2 is a front, top, side perspective view of the device holder of FIG. 1 ;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a right side elevation view of thereof, showing the device holder of FIG. 1 in another environment of use with two devices;

FIG. 8 is a right side elevation view of the thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines are for the purpose of illustrating the environment of the article only and form no part of the claimed design. 

CLAIM The ornamental design for a device holder, as shown and described. 